DE2208587C3 - Verfahren und Vorrichtung zur Herstellung eines selektiv durchlässigen Membrankörpers - Google Patents
Verfahren und Vorrichtung zur Herstellung eines selektiv durchlässigen MembrankörpersInfo
- Publication number
- DE2208587C3 DE2208587C3 DE2208587A DE2208587A DE2208587C3 DE 2208587 C3 DE2208587 C3 DE 2208587C3 DE 2208587 A DE2208587 A DE 2208587A DE 2208587 A DE2208587 A DE 2208587A DE 2208587 C3 DE2208587 C3 DE 2208587C3
- Authority
- DE
- Germany
- Prior art keywords
- hollow
- fibers
- hollow fibers
- resin
- fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 24
- 239000012528 membrane Substances 0.000 title claims description 19
- 239000000835 fiber Substances 0.000 claims description 108
- 239000012510 hollow fiber Substances 0.000 claims description 71
- 229920005989 resin Polymers 0.000 claims description 34
- 239000011347 resin Substances 0.000 claims description 34
- 238000004804 winding Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000010410 layer Substances 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 16
- 239000003822 epoxy resin Substances 0.000 description 7
- 229920000647 polyepoxide Polymers 0.000 description 7
- 239000012530 fluid Substances 0.000 description 6
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 229920002301 cellulose acetate Polymers 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 210000003734 kidney Anatomy 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229920002284 Cellulose triacetate Polymers 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- -1 polycarboxamide Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 239000004821 Contact adhesive Substances 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- FQYUMYWMJTYZTK-UHFFFAOYSA-N Phenyl glycidyl ether Chemical compound C1OC1COC1=CC=CC=C1 FQYUMYWMJTYZTK-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 208000012886 Vertigo Diseases 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 229940018564 m-phenylenediamine Drugs 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/021—Manufacturing thereof
- B01D63/0233—Manufacturing thereof forming the bundle
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11859871A | 1971-02-25 | 1971-02-25 | |
US20679371A | 1971-12-10 | 1971-12-10 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2208587A1 DE2208587A1 (de) | 1972-09-14 |
DE2208587B2 DE2208587B2 (de) | 1981-02-19 |
DE2208587C3 true DE2208587C3 (de) | 1981-12-24 |
Family
ID=26816552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2208587A Expired DE2208587C3 (de) | 1971-02-25 | 1972-02-23 | Verfahren und Vorrichtung zur Herstellung eines selektiv durchlässigen Membrankörpers |
Country Status (7)
Country | Link |
---|---|
US (1) | US3755034A (nl) |
AU (1) | AU469418B2 (nl) |
CA (1) | CA995115A (nl) |
DE (1) | DE2208587C3 (nl) |
FR (1) | FR2126208B1 (nl) |
GB (1) | GB1366615A (nl) |
NL (1) | NL164481C (nl) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2231421B1 (nl) * | 1973-05-30 | 1976-05-07 | Rhone Poulenc Ind | |
JPS5620047B2 (nl) * | 1973-11-07 | 1981-05-11 | ||
GB1481064A (en) * | 1973-08-30 | 1977-07-27 | Teijin Ltd | Membrane apparatus for treating fluids |
US4336138A (en) * | 1975-07-26 | 1982-06-22 | Toyobo Co., Ltd. | Permeation separation apparatus |
DE2536494A1 (de) * | 1975-08-16 | 1977-02-24 | Bayer Ag | Hohlfasermodul |
DE2542438C3 (de) | 1975-09-24 | 1981-01-22 | Dr. Eduard Fresenius Chemisch-Pharmazeutische Industrie Kg Apparatebau Kg, 6380 Bad Homburg | Dialysator |
FR2380362A2 (fr) * | 1976-02-13 | 1978-09-08 | Baxter Travenol Lab | Faisceau de filaments creux, et procede et appareil d'enroulement de filaments creux |
US4226378A (en) * | 1976-02-13 | 1980-10-07 | Baxter Travenol Laboratories, Inc. | Method and apparatus for winding hollow filaments |
FR2351041A1 (fr) * | 1976-05-10 | 1977-12-09 | Rhone Poulenc Ind | Appareil a fibres creuses |
DE2646358C2 (de) * | 1976-10-14 | 1982-05-13 | Dr. Eduard Fresenius, Chemisch-pharmazeutische Industrie KG Apparatebau KG, 6380 Bad Homburg | Hohlfaserdialysator |
FR2374932A1 (fr) * | 1976-12-24 | 1978-07-21 | Rhone Poulenc Ind | Appareil a fibres creuses, utilisable notamment comme rein artificiel |
US4446024A (en) * | 1977-02-22 | 1984-05-01 | E. I. Du Pont De Nemours & Company | Hollow filament product |
JPS6037029B2 (ja) * | 1978-01-10 | 1985-08-23 | 東洋紡績株式会社 | 流体分離用糸条パツケ−ジの製造法 |
US4220535A (en) * | 1978-08-04 | 1980-09-02 | Monsanto Company | Multi-zoned hollow fiber permeator |
US4219517A (en) * | 1978-10-12 | 1980-08-26 | Puropore Inc. | Process for spinning dense hollow fiber cellulosic membrane |
US4367139A (en) * | 1978-11-16 | 1983-01-04 | Monsanto Company | Hollow fiber permeator |
DE3049246A1 (de) * | 1980-12-27 | 1982-07-29 | Akzo Gmbh, 5600 Wuppertal | Verfahren und vorrichtung zum herstellen eines hohlfaserbuendels |
FR2518594A1 (fr) * | 1981-12-23 | 1983-06-24 | Chomarat & Cie | Dispositif pour la realisation d'une nappe textile constituee de fils s'etendant transversalement par rapport a la longueur de ladite nappe |
FR2525487B1 (nl) * | 1982-04-27 | 1988-04-22 | Hospal Sodip | |
US5192478A (en) * | 1984-10-22 | 1993-03-09 | The Dow Chemical Company | Method of forming tubesheet for hollow fibers |
US4666469A (en) * | 1985-05-29 | 1987-05-19 | The Dow Chemical Company | Hollow fiber membrane device with inner wrap |
FR2588208B1 (fr) * | 1985-10-03 | 1988-01-08 | Hutchinson Sa | Materiau d'isolation thermique, procede pour sa fabrication et moyen d'isolation comportant un tel materiau |
US4842910A (en) * | 1986-08-07 | 1989-06-27 | The Dow Chemical Company | Assembly of water wet hollow fibers and a tubesheet derived from a diglycidyl ether of a dihydroxy benzene |
US5270004A (en) * | 1989-10-01 | 1993-12-14 | Minntech Corporation | Cylindrical blood heater/oxygenator |
US5026479A (en) * | 1990-02-13 | 1991-06-25 | Union Carbide Industrial Gases Technology Corporation | Fluid separation device |
US5284584A (en) * | 1992-12-31 | 1994-02-08 | Hoechst Celanese Corporation | Hollow fiber membrane fabric - containing cartridges and modules having solvent-resistant thermoplastic tube sheets, and methods for making the same |
US5702601A (en) * | 1996-03-29 | 1997-12-30 | Praxiar Technology, Inc. | Structure enhancing hollow fiber module |
US6168649B1 (en) | 1998-12-09 | 2001-01-02 | Mg Generon, Inc. | Membrane for separation of xenon from oxygen and nitrogen and method of using same |
US6432586B1 (en) | 2000-04-10 | 2002-08-13 | Celgard Inc. | Separator for a high energy rechargeable lithium battery |
US6540813B2 (en) | 2000-06-13 | 2003-04-01 | Praxair Technology, Inc. | Method of preparing composite gas separation membranes from perfluoropolymers |
US6558450B2 (en) * | 2001-03-22 | 2003-05-06 | Celgard Inc. | Method for debubbling an ink |
US6616841B2 (en) | 2001-06-21 | 2003-09-09 | Celgard Inc. | Hollow fiber membrane contactor |
NL1019374C2 (nl) * | 2001-11-15 | 2003-05-16 | Norit Holding N V | Werkwijze voor het vervaardigen van een filtermodule, een dergelijke al dan niet in een filtersysteem opgenomen filtermodule. |
US7264725B2 (en) * | 2004-03-04 | 2007-09-04 | Celgard Inc. | Hollow fiber membrane contactor and method of making same |
US7638049B2 (en) * | 2004-03-30 | 2009-12-29 | Celgard Inc. | Three-port high performance mini hollow fiber membrane contactor |
US8545754B2 (en) | 2009-04-23 | 2013-10-01 | Medtronic, Inc. | Radial design oxygenator with heat exchanger |
JP5799810B2 (ja) * | 2010-09-16 | 2015-10-28 | 三菱レイヨン株式会社 | 中空糸膜シート状物の製造方法、中空糸膜モジュールの製造方法及び中空糸膜シート状物の製造装置 |
US8579845B2 (en) | 2011-01-27 | 2013-11-12 | Medtronic, Inc. | Wound heat exchanger |
WO2012170956A1 (en) | 2011-06-08 | 2012-12-13 | Benjamin Bikson | Hollow fiber apparatus and use thereof for fluids separations and heat and mass transfers |
KR20190104449A (ko) * | 2014-12-24 | 2019-09-09 | 디아이씨 가부시끼가이샤 | 중공사 탈기 모듈 및 잉크젯 프린터 |
JP2021506571A (ja) | 2017-12-18 | 2021-02-22 | レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | 中空繊維膜装置の製造方法及びその使用 |
US11491464B1 (en) | 2021-06-24 | 2022-11-08 | Avanpore LLC | Mesoporous poly (aryl ether ketone) hollow fiber membranes and use thereof in mass transfer processes |
CN116475030B (zh) * | 2023-03-29 | 2024-05-10 | 山东新华医疗器械股份有限公司 | 一种血液透析器的灌胶工艺 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1460949A (en) * | 1920-08-31 | 1923-07-03 | Max Brown | Paper-reenforcing machine and method thereof |
NL293293A (nl) * | 1962-05-29 | |||
US3493455A (en) * | 1966-03-07 | 1970-02-03 | Cromwell Paper Co | Continuous web reinforcing machine |
US3455460A (en) * | 1967-02-13 | 1969-07-15 | Dow Chemical Co | Permeability separatory apparatus and processes of making and using the same |
US3557962A (en) * | 1968-06-28 | 1971-01-26 | North American Rockwell | Reverse osmosis fabric |
US3616022A (en) * | 1968-08-06 | 1971-10-26 | Du Pont | Method of making heat exchange components |
US3649411A (en) * | 1969-02-03 | 1972-03-14 | Deering Milliken Res Corp | Apparatus for the production of a bonded textile fabric |
US3579810A (en) * | 1969-06-13 | 1971-05-25 | Us Army | Method of making capillary assemblies for oxygenators and the like |
US3690465A (en) * | 1970-10-15 | 1972-09-12 | Du Pont | Permeation separation element |
-
1971
- 1971-02-25 GB GB793072A patent/GB1366615A/en not_active Expired
- 1971-12-10 US US00206793A patent/US3755034A/en not_active Expired - Lifetime
-
1972
- 1972-02-02 CA CA133,790A patent/CA995115A/en not_active Expired
- 1972-02-10 FR FR7204445A patent/FR2126208B1/fr not_active Expired
- 1972-02-11 AU AU38922/72A patent/AU469418B2/en not_active Expired
- 1972-02-23 DE DE2208587A patent/DE2208587C3/de not_active Expired
- 1972-02-25 NL NL7202527.A patent/NL164481C/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU3892272A (en) | 1973-08-16 |
FR2126208B1 (nl) | 1977-12-23 |
DE2208587A1 (de) | 1972-09-14 |
GB1366615A (en) | 1974-09-11 |
CA995115A (en) | 1976-08-17 |
NL7202527A (nl) | 1972-08-29 |
DE2208587B2 (de) | 1981-02-19 |
AU469418B2 (en) | 1976-02-12 |
FR2126208A1 (nl) | 1972-10-06 |
NL164481C (nl) | 1981-01-15 |
US3755034A (en) | 1973-08-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2208587C3 (de) | Verfahren und Vorrichtung zur Herstellung eines selektiv durchlässigen Membrankörpers | |
DE3871685T2 (de) | Verfahren und vorrichtung zur herstellung eines fadenbuendels, insbesondere von halbdurchlaessigen hohlfasern. | |
DE7809259U1 (de) | Geraet zur herstellung von vorrichtungen mit hohlfasern | |
DE2811826A1 (de) | Vorrichtung mit ebenen membranen und verfahren zur herstellung der vorrichtung | |
DE2402455A1 (de) | Vorrichtung zum trennen von stroemungsmitteln | |
DE102005036366B4 (de) | Verfahren zur Stabilisierung von gefalteten Filtermedien sowie ein durch dieses Verfahren stabilisiertes Filtermedium | |
DE4004797A1 (de) | Gewebtes hohlfadenband | |
EP2419200B1 (de) | Filtervorrichtung mit heterogen verteilten hohlfasern und verfahren zu dessen herstellung | |
DE2035371C2 (de) | Verfahren und Vorrichtung zur Herstellung einer Membrananordnung für die umgekehrte Osmose | |
DE2721044A1 (de) | Verfahren und vorrichtung zur gleichzeitigen herstellung mehrerer vorrichtungen mit hohlfasern | |
DE1919393C3 (de) | Verfahren zur kontinuierlichen Herstellung von Kohlenstoffasern und gegebenenfalls unmittelbar anschließende Weiterverarbeitung zu mit Kunststoffen beschichteten bzw. umhüllten oder imprägnierten Fasergebilden aus Kohlenstoffasern | |
DE2035119A1 (de) | Semi-permeable Membrananordnung und Verfahren zu ihrer Herstellung | |
DE2456109B2 (de) | Verfahren zur Herstellung eines Fadengeleges aus parallelen Scharen von sich kreuzenden Fäden, Garnen o.dgl | |
DE2143070A1 (de) | Verfahren zur Herstellung ver starkter Kunststoffmateriahen | |
DE2744855A1 (de) | Vorrichtung mit hohlfasern zur fraktionierung eines fluids sowie verfahren und anlage zur herstellung der vorrichtung | |
DE2757838A1 (de) | Vorrichtung mit hohlfasern zur fraktionierung von fluiden | |
DE102015110322A1 (de) | Vorrichtung zum Bilden einer Faserstruktur | |
EP2560745A1 (de) | Verfahren und vorrichtung zur herstellung eines hohlfasermembranmoduls | |
DE2650588A1 (de) | Hohlfaser-dialysator | |
EP0443206B1 (de) | Verfahren zum Herstellen von Hohlfadenstapeln | |
DE4308850A1 (de) | Hohlfadenmatte | |
DE2721008A1 (de) | Verfahren und vorrichtung zur herstellung von vorrichtungen mit hohlfasern | |
DE2834924C2 (de) | Verfahren zur Herstellung eines dicken, verstärkten Kunststoffgegenstands | |
DE2830623A1 (de) | Lichtuebertragungskabel und verfahren zu seiner herstellung | |
DE2932194C2 (de) | Röhrenmembranfiltrationsmodul |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OD | Request for examination | ||
C3 | Grant after two publication steps (3rd publication) | ||
8339 | Ceased/non-payment of the annual fee |